2 * netifd - network interface daemon
3 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
22 #include "interface.h"
23 #include "interface-ip.h"
29 bool config_init = false;
31 static struct uci_context *uci_ctx;
32 static struct uci_package *uci_network;
33 static struct uci_package *uci_wireless;
34 static struct blob_buf b;
37 config_section_idx(struct uci_section *s)
39 struct uci_element *e;
42 uci_foreach_element(&uci_wireless->sections, e) {
43 struct uci_section *cur = uci_to_section(e);
48 if (!strcmp(cur->type, s->type))
56 config_parse_bridge_interface(struct uci_section *s, struct device_type *devtype)
60 name = alloca(strlen(s->e.name) + strlen(devtype->name_prefix) + 2);
61 sprintf(name, "%s-%s", devtype->name_prefix, s->e.name);
62 blobmsg_add_string(&b, "name", name);
64 uci_to_blob(&b, s, devtype->config_params);
65 if (!device_create(name, devtype, b.head)) {
66 D(INTERFACE, "Failed to create '%s' device for interface '%s'\n",
67 devtype->name, s->e.name);
71 blobmsg_add_string(&b, "ifname", name);
76 config_parse_interface(struct uci_section *s, bool alias)
78 struct interface *iface;
79 const char *type = NULL, *disabled;
80 struct blob_attr *config;
82 struct device_type *devtype = NULL;
84 disabled = uci_lookup_option_string(uci_ctx, s, "disabled");
85 if (disabled && !strcmp(disabled, "1"))
91 type = uci_lookup_option_string(uci_ctx, s, "type");
94 devtype = device_type_get(type);
96 if (devtype && devtype->bridge_capability) {
97 if (config_parse_bridge_interface(s, devtype))
103 uci_to_blob(&b, s, &interface_attr_list);
105 iface = interface_alloc(s->e.name, b.head);
109 if (iface->proto_handler && iface->proto_handler->config_params)
110 uci_to_blob(&b, s, iface->proto_handler->config_params);
112 if (!bridge && uci_to_blob(&b, s, simple_device_type.config_params))
113 iface->device_config = true;
115 config = blob_memdup(b.head);
120 if (!interface_add_alias(iface, config))
121 goto error_free_config;
123 interface_add(iface, config);
134 config_parse_route(struct uci_section *s, bool v6)
138 blob_buf_init(&b, 0);
139 route = blobmsg_open_array(&b, "route");
140 uci_to_blob(&b, s, &route_attr_list);
141 blobmsg_close_array(&b, route);
142 interface_ip_add_route(NULL, blob_data(b.head), v6);
146 config_parse_rule(struct uci_section *s, bool v6)
150 blob_buf_init(&b, 0);
151 rule = blobmsg_open_array(&b, "rule");
152 uci_to_blob(&b, s, &rule_attr_list);
153 blobmsg_close_array(&b, rule);
154 iprule_add(blob_data(b.head), v6);
158 config_init_devices(void)
160 struct uci_element *e;
162 uci_foreach_element(&uci_network->sections, e) {
163 const struct uci_blob_param_list *params = NULL;
164 struct uci_section *s = uci_to_section(e);
165 struct device_type *devtype = NULL;
167 const char *type, *name;
169 if (strcmp(s->type, "device") != 0)
172 name = uci_lookup_option_string(uci_ctx, s, "name");
176 type = uci_lookup_option_string(uci_ctx, s, "type");
178 devtype = device_type_get(type);
181 params = devtype->config_params;
183 params = simple_device_type.config_params;
185 blob_buf_init(&b, 0);
186 uci_to_blob(&b, s, params);
188 dev = device_create(name, devtype, b.head);
192 dev = device_get(name, 1);
196 dev->current_config = true;
197 device_apply_config(dev, dev->type, b.head);
199 dev->default_config = false;
203 static struct uci_package *
204 config_init_package(const char *config)
206 struct uci_context *ctx = uci_ctx;
207 struct uci_package *p = NULL;
210 ctx = uci_alloc_context();
213 ctx->flags &= ~UCI_FLAG_STRICT;
215 uci_set_confdir(ctx, config_path);
218 uci_set_savedir(ctx, "./tmp");
221 p = uci_lookup_package(ctx, config);
226 if (uci_load(ctx, config, &p))
233 config_init_interfaces(void)
235 struct uci_element *e;
237 uci_foreach_element(&uci_network->sections, e) {
238 struct uci_section *s = uci_to_section(e);
240 if (!strcmp(s->type, "interface"))
241 config_parse_interface(s, false);
244 uci_foreach_element(&uci_network->sections, e) {
245 struct uci_section *s = uci_to_section(e);
247 if (!strcmp(s->type, "alias"))
248 config_parse_interface(s, true);
253 config_init_routes(void)
255 struct interface *iface;
256 struct uci_element *e;
258 vlist_for_each_element(&interfaces, iface, node)
259 interface_ip_update_start(&iface->config_ip);
261 uci_foreach_element(&uci_network->sections, e) {
262 struct uci_section *s = uci_to_section(e);
264 if (!strcmp(s->type, "route"))
265 config_parse_route(s, false);
266 else if (!strcmp(s->type, "route6"))
267 config_parse_route(s, true);
270 vlist_for_each_element(&interfaces, iface, node)
271 interface_ip_update_complete(&iface->config_ip);
275 config_init_rules(void)
277 struct uci_element *e;
279 iprule_update_start();
281 uci_foreach_element(&uci_network->sections, e) {
282 struct uci_section *s = uci_to_section(e);
284 if (!strcmp(s->type, "rule"))
285 config_parse_rule(s, false);
286 else if (!strcmp(s->type, "rule6"))
287 config_parse_rule(s, true);
290 iprule_update_complete();
294 config_init_globals(void)
296 struct uci_section *globals = uci_lookup_section(
297 uci_ctx, uci_network, "globals");
301 const char *ula_prefix = uci_lookup_option_string(
302 uci_ctx, globals, "ula_prefix");
303 interface_ip_set_ula_prefix(ula_prefix);
307 config_parse_wireless_device(struct uci_section *s)
309 struct wireless_driver *drv;
310 const char *driver_name;
312 driver_name = uci_lookup_option_string(uci_ctx, s, "type");
316 drv = avl_find_element(&wireless_drivers, driver_name, drv, node);
320 blob_buf_init(&b, 0);
321 uci_to_blob(&b, s, drv->device.config);
322 wireless_device_create(drv, s->e.name, b.head);
326 config_parse_wireless_interface(struct wireless_device *wdev, struct uci_section *s)
330 name = alloca(strlen(s->type) + 16);
331 sprintf(name, "@%s[%d]", s->type, config_section_idx(s));
333 blob_buf_init(&b, 0);
334 uci_to_blob(&b, s, wdev->drv->interface.config);
335 wireless_interface_create(wdev, b.head, s->anonymous ? name : s->e.name);
339 config_init_wireless(void)
341 struct wireless_device *wdev;
342 struct uci_element *e;
343 const char *dev_name;
346 DPRINTF("No wireless configuration found\n");
350 vlist_update(&wireless_devices);
352 uci_foreach_element(&uci_wireless->sections, e) {
353 struct uci_section *s = uci_to_section(e);
354 if (strcmp(s->type, "wifi-device") != 0)
357 config_parse_wireless_device(s);
360 vlist_flush(&wireless_devices);
362 vlist_for_each_element(&wireless_devices, wdev, node) {
364 vlist_update(&wdev->interfaces);
367 uci_foreach_element(&uci_wireless->sections, e) {
368 struct uci_section *s = uci_to_section(e);
370 if (strcmp(s->type, "wifi-iface") != 0)
373 dev_name = uci_lookup_option_string(uci_ctx, s, "device");
377 wdev = vlist_find(&wireless_devices, dev_name, wdev, node);
379 DPRINTF("device %s not found!\n", dev_name);
383 config_parse_wireless_interface(wdev, s);
386 vlist_for_each_element(&wireless_devices, wdev, node)
387 vlist_flush(&wdev->interfaces);
391 config_init_all(void)
396 uci_network = config_init_package("network");
398 uci_get_errorstr(uci_ctx, &err, NULL);
399 netifd_log_message(L_CRIT, "Failed to load network config (%s)\n", err);
404 uci_wireless = config_init_package("wireless");
405 if (!uci_wireless && uci_ctx->err != UCI_ERR_NOTFOUND) {
406 uci_get_errorstr(uci_ctx, &err, NULL);
407 netifd_log_message(L_CRIT, "Failed to load wireless config (%s)\n", err);
412 vlist_update(&interfaces);
416 device_reset_config();
417 config_init_devices();
418 config_init_interfaces();
419 config_init_routes();
421 config_init_globals();
422 config_init_wireless();
428 device_init_pending();
429 vlist_flush(&interfaces);
430 device_free_unused(NULL);
431 interface_refresh_assignments(false);
432 interface_start_pending();
433 wireless_start_pending();